Seamax 2023 Summer Sale - Free Electric Air Pump (SUP16DB) for any Inflatable Boat Purchase (Promotion Code - Pump4Boat)
New Buyer Discount (USD): 5% Off when Purchase $100+ or 10% Off when Purchase $1000+ / Free Ground Service Promotion Code - 3GroundService (USA & Canada)


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Portable External Power Supply for SUP Pump Max Output 200W, Built-in Lithium 12V 6AH Battery - Final Sale Promotion Buy one get one free

  • Features

    Special designed to operate with Seamax SUP20D, SUP20MAX and SUP20S 12V SUP electric air pump.  A full capacity battery level can inflate a large inflatable SUPs up to 18PSI, or two Seamax SeaDancer SUPs up to 15PSI when using our double stage air pump, Each battery can support the pump to work for 20-30 minutes.

    With Plug & Play design, power supply will be automatically waked up when electronic device or USB phone cable is connected, and will be automatically put in sleep in 2 minute after all devices are unplugged.  Also great for outdoor use as it is compatible with most portable 12V electronic accessories used in car, such as GPS or tire inflator.

    High quality PCB (Power Management Board) unit embedded with this 12V 6AH lithium battery, and built with internal fuse to protect the battery cell from electric circuit shortage. Fully supported to all Seamax SUP electric air pump.  

    Backlit LCD display with real-time power meter and port status indicators. Suitable for night time use with 3 x 1W built-in LED flash light with one-button easy operation. Along with anti-slip rubber coating and water resistant DC output socket, this portable power supply is an ideal gear for your outdoor sport activities.

    Multiple DC ports with water resistant rubber caps:
    - 1x 5V / 2A USB port for fast charging mobile devices.
    - 1x 5V / 1A USB port for standard charging mobile devices.
    - 1x 12V / 15A cigarette lighter style socket to power Seamax SUP 
    - 1x 12V / 1A charging port

    Sale - Buy one get one free

    We will deliver 2 package of batteries with one charger. you can use the same charger for either battery pack. The free battery is not covered by our standard warranty.

    This Final Sale is guaranteed for 90 Days from purchase date within USA & Canada but not including the Free item we given. The limited warranty only covers the defective factory parts under normal operating conditions. Seller has the right to refuse the warranty claim if the product shows excessive wear, abuse or misuse. Keep the original sales record and the label on the product for warranty service. Seller pays for two-way shipping fee if a warranty claim is within 30 days from the date of purchase. Please know the shipping cost claim is only available for USA lower 48 states and Canada. Contact the seller to obtain return authorization.


  • Specification

    Battery Capacity:

    MSDS certified Lithium Ion 6AH 11.1V

    Total Max Output

    200W (12V-180W + 5V-15W + LED 3x 1W)

    Charger Standard

    Input 110-240 AC / Output 5V & 12V DC

    Battery Charging Time:

    Max 6 hours to fully charged & auto stop

    USB Charging Ports

    Compatible with all 5V devices, 1A & 2A

    Cigarette Lighter Output:

    12V / Max 15A (Max 180W)

    Product Dimension:

    8 x 4.5 x 2 inches (L x W x H)

    Item Net Weight:

    1.8 pounds (800g)